Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | Nihon Denso KK | Manufacturing engineering,Mechanical engineering | patent citation: 990 | |
2 | Toyota Motor Corp. | Sport utility vehicle,Mobile device,Public transport, ...[+2] | patent citation: 721 | |
3 | Mitsubishi Electric Engineering Co., Ltd. | patent citation: 338 | ||
4 | TOSHIBA Corp. | Semiconductor,Computer hardware,Electronics, ...[+2] | patent citation: 312 | |
5 | Mitsuba Corp. | Automotive engineering,Gasoline,Windscreen wiper, ...[+2] | patent citation: 272 | |
6 | DAIKIN INDUSTRIES Ltd. | Air conditioning,Refrigeration,Mechanical engineering, ...[+2] | patent citation: 247 | |
7 | Nissan Motor Co., Ltd. | Truck,Public transport,Automotive engineering, ...[+2] | patent citation: 245 | |
8 | Komatsu Ltd. | Environmental engineering,Construction engineering,Heavy equipment, ...[+2] | patent citation: 137 | |
9 | TDK Corp. | Electronic component,Ceramic capacitor,Electronics, ...[+2] | patent citation: 128 | |
10 | Okuma Corp. | Machining,Automation,Manufacturing engineering, ...[+2] | patent citation: 92 | |
11 | Hitachi Ltd. | Elevator,Electrical equipment,Electric motor, ...[+2] | patent citation: 76 | |
12 | Matsushita Electronics Corp. | Electronics,Computer hardware,DVD player, ...[+2] | patent citation: 68 | |
13 | Toshiba Tec Corp. | Computer hardware,Peripheral,Electronics, ...[+2] | patent citation: 53 | |
14 | Matsushita Refrigeration Co. | Electronics,Heat exchanger,Refrigeration, ...[+1] | patent citation: 42 | |
15 | Meidensha Corp. | Electrical equipment,Social infrastructure,Electronics, ...[+2] | patent citation: 41 | |
16 | Mitsubishi Kogyo KK | patent citation: 41 | ||
17 | Honda Motor Co., Ltd. | Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2] | patent citation: 37 | |
18 | Ebara Corp. | Vacuum pump,Manufacturing engineering,Turbine, ...[+2] | patent citation: 37 | |
19 | EXEDY Corp. | Automatic transmission,Manual transmission,Torque converter, ...[+2] | patent citation: 30 | |
20 | JFE Holdings, Inc. | Materials science,Product design,Carbon steel, ...[+2] | patent citation: 29 | |
21 | JFE Steel Corp. | Irone,Mining engineering,Natural resource management, ...[+2] | patent citation: 29 | |
22 | Kobe Steel, Ltd. | Welding,Electronics,Mining engineering, ...[+2] | patent citation: 27 | |
23 | Mazda Motor Corp. | Automotive engineering,Reciprocating engine,Manual transmission, ...[+2] | patent citation: 27 | |
24 | Yamaha Motor Co., Ltd. | Robotics,Industrial robot,Automotive engineering, ...[+2] | patent citation: 25 | |
25 | Daihatsu Motor Co., Ltd. | Automotive engineering,Proton exchange membrane fuel cell,Electric bus, ...[+2] | patent citation: 25 | |
26 | Nippon Piston Ring Co., Ltd. | Piston ring,Automotive engineering,Gasoline, ...[+2] | patent citation: 23 | |
27 | FANUC Corp. | Robotics,Robot,Automation, ...[+2] | patent citation: 22 | |
28 | Seikoh Giken Co., Ltd. | Optical communication,Computer hardware,Peripheral, ...[+2] | patent citation: 22 | |
29 | Mitsui Chemistry Joint-stock Co. | patent citation: 18 | ||
30 | IHI Power Systems Co., Ltd. | Turbine,Gas engine,Manufacturing engineering, ...[+2] | patent citation: 17 | |
31 | Seiko Epson Corp. | Wearable technology,Projector,Electronics, ...[+2] | patent citation: 15 | |
32 | YASKAWA Electric Corp. | Robotics,Automation,Electrical equipment, ...[+2] | patent citation: 15 | |
33 | Hitachi Metals, Ltd. | Metal,Magnet,Telecommunications, ...[+2] | patent citation: 15 | |
34 | Brother Industries, Ltd. | Computer hardware,Electronics,Digital printing, ...[+2] | patent citation: 14 | |
35 | JATCO Ltd. | Continuously variable transmission,Automotive engineering,Public transport, ...[+2] | patent citation: 14 | |
36 | Sharp Corp. | Computer hardware,Electronics,Telecommunications, ...[+2] | patent citation: 13 | |
37 | Makita Corp. | Computer hardware,Information technology management,Metalworking, ...[+2] | patent citation: 13 | |
38 | Makita | Industrial engineering | patent citation: 13 | |
39 | Toshiba Infrastructure Systems & Solutions Corp. | Social infrastructure,Automation,Mechanical engineering, ...[+2] | patent citation: 11 | |
40 | Subaru Corp. | Automotive engineering,Public transport,Aerospace, ...[+2] | patent citation: 10 | |
41 | Shimada & Co. Ltd. | National security,Aerospace | patent citation: 10 | |
42 | Nabtesco Corp. | Robotics,Manufacturing engineering,Industrial robot, ...[+2] | patent citation: 8 | |
43 | Shibaura Mechatronics Corp. | Semiconductor,Robotic lawn mower,Mechatronics, ...[+2] | patent citation: 8 | |
44 | Kusatsu Electric Co. Ltd. | Motor controller,Electronics | patent citation: 8 | |
45 | NTN Toyo Bearing Co., Ltd. | Ball bearing | patent citation: 8 | |
46 | Tohoku Techno Arch Co. Ltd. | patent citation: 8 | ||
47 | Aisan Industry Co., Ltd. | Fuel pump,Fuel injection,Throttle, ...[+2] | patent citation: 6 | |
48 | Rigaku Corp. | Software,X-ray,Crystallography, ...[+2] | patent citation: 6 | |
49 | Renesas Electronics Corp. | Semiconductor,Microcontroller,Electronics, ...[+2] | patent citation: 4 | |
50 | Kobelco Construction Machinery Co. Ltd. | Excavator,Heavy equipment,Manufacturing engineering, ...[+2] | patent citation: 4 |